diff --git a/2.7/test/puma-test-app/Gemfile.lock b/2.7/test/puma-test-app/Gemfile.lock
index 2b2190d1..892a4c8b 100644
--- a/2.7/test/puma-test-app/Gemfile.lock
+++ b/2.7/test/puma-test-app/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     mustermann (1.0.1)
     puma (3.11.2)
-    rack (2.0.4)
+    rack (2.2.8.1)
     rack-protection (2.0.0)
       rack
     sinatra (2.0.0)